#!/bin/bash

flasbackDir="/Library/FlashBack"
if [ ! -d $flasbackDir/Backups ]; then
	mkdir $flasbackDir
	mkdir $flasbackDir/Backups
fi

pause(){
	read -p "Press return key to continue..." fackEnterKey
}

one(){		#Backup current preferences
	echo " "
	read -p "Enter Backup Name: " backupName		#Enter the name of the backup
	read -p "Enter Your UserName: " userName		#Enter the name of the setup creator
	read -p "Enter A Short Description: " userDesc		#Enter a description
	backupLocation="$flasbackDir/Backups/"$backupName	#backup folder with backup's name
	mkdir $backupLocation		#Creates backup folder
	mkdir $backupLocation/Preferences 	#Creates Backup Preference Folder
	mkdir $backupLocation/IconLayout 	#Creates Backup Icon Layout Folder
	mkdir $backupLocation/Wallpaper 	#Creates Backup Wallpaper Folder

	echo " "
	echo "Would you like to specify dependancies?"
	echo "If so, it's recommended to use iCleaner Pro to clean up unused preference files before you start."
	echo " "
	echo "AutoMatic: You select which packages are dependancies, for a streamlined installation."
	echo "Manual: Dependancies are not set for users, they must install the tweaks themselves."
	echo " "
	read -p "Type 'yes' to proceed in automatic mode, press enter to use manual mode: " autoMode		#User will specify which packages are backed up and depended upon
	
	if [[ $autoMode = "yes" ]]
	then
		echo " "
		read -p "Staring automatic mode. A list of installed packages will appear in a moment. Use that list to select which packages are dependancies. Press enter to proceed."
		apt-mark auto "gsc*" &> /dev/null
		echo " "
		apt-mark showmanual
		read -p "Please copy all desired dependancies from above EXACTLY as they are displayed. Separate them with a comma and a space (, ): " userSetDependancies
	fi
	
		echo "Copying to "$backupLocation"..."
		excludeApple="!(com.apple*,com.saurik*).plist"
		cp -r -f "/var/mobile/Library/Preferences/"$excludeApple $backupLocation/Preferences/		#copy all non-apple Plists to Preference folder within backup haha
	cp -r -f /var/mobile/Library/SpringBoard/IconState.plist $backupLocation/IconLayout/IconState.plist		#copy IconState Plist to IconLayout folder within backup
	cp -r -f /var/mobile/Library/SpringBoard/*Background* $backupLocation/Wallpaper/		#copy Wallpaper & data to Wallpaper folder within backup
	
	echo " "
	echo "Creating Control File..."
	
	if [[ $autoMode = "yes" ]]
	then

cat > $backupLocation/control <<EOF

Package: com.$userName.$backupName
Name: $backupName
Depends: com.mpg13.FlashBack, $userSetDependancies
architecture: iphoneos-arm
Version:1.0
Description: $userDesc
Maintainer: $userName
Author: $userName
Section: Addons (FlashBack)

EOF

	else
	
cat > $backupLocation/control <<EOF

Package: com.$userName.$backupName
Name: $backupName
Depends: com.mpg13.FlashBack
architecture: iphoneos-arm
Version:1.0
Description: $userDesc
Maintainer: $userName
Author: $userName
Section: Addons (FlashBack)

EOF

	fi
	
	echo "Succeeded!"
	
	pause
}

two(){		#Restore backup functions
	echo " "
	echo "Available Backups:"
	echo " "
	ls $flasbackDir/Backups/		#List all Backup Folders which match their names
	echo " "
	read -p "Choose a Backup: " selectedBackup		#Let user select which backup
	selectedLocation=$flasbackDir"/Backups/"$selectedBackup		#uses variable to determine backup to use
	autoBackupLocation=$flasbackDir"/Backups/AutoBackup_"$(date '+%d-%m-%Y_%H:%M:%S')	#Sets autobackup location with date and time
	mkdir $autoBackupLocation		#Creates autobackup folder
	mkdir $autoBackupLocation/Preferences		#Creates autobackup Preference Folder
	mkdir $autoBackupLocation/IconLayout		#Creates autobackup Preference Folder
	mkdir $autoBackupLocation/Wallpaper		#Creates autobackup Preference Folder
	echo "Moving current Preferences to "$autoBackupLocation"..."
	excludeApple="!(com.apple*,com.saurik*).plist"
	cp "/var/mobile/Library/Preferences/"$excludeApple $autoBackupLocation/Preferences/		#Copy copy all non-apple Plists to Preference folder within autobackup haha
	cp -r -f /var/mobile/Library/SpringBoard/IconState.plist $autoBackupLocation/IconLayout/IconState.plist		#copy IconState Plist to IconLayout folder within backup
	cp -r -f /var/mobile/Library/SpringBoard/*Background* $autoBackupLocation/Wallpaper/		#copy Wallpaper & data to Wallpaper folder within backup
	echo " "
	echo "Copying Backup to appropriate system directories..."
	cp -r $selectedLocation/Preferences/*.plist /var/mobile/Library/Preferences/		#Copy all Plists from backup Preference folder to System Preferences
	cp $selectedLocation/IconLayout/IconState.plist /var/mobile/Library/SpringBoard/IconState.plist		#Copy all Plists from backup Preference folder to System Icon layout
	cp -r $selectedLocation/Wallpaper/*Background* /var/mobile/Library/SpringBoard/		#Copy all Plists from backup Preference folder to System wallpaper
	echo "Rebuilding UI cache and Killing SpringBoard..."
	uicache		#Rebuilds UI Cache - hopefully this doesn't break anything.
	read -p "Press enter one more time, please."
	uicache
	echo "Thanks for using FlashBack!"
	killall SpringBoard
	pause
}

three(){
	echo "Available Backups:"
	echo " "
	ls $flasbackDir/Backups/		#Lists all backups
	echo " "
	read -p "Choose a Backup: " deleteBackup		#User selects backup to delete
	deleteLocation=$flasbackDir"/Backups/"$deleteBackup	#location from selected backup
	echo "Deleting "$deleteBackup"..."
	rm -r $deleteLocation		#delete backup folder
	pause
}

four(){
	read -p "Are you sure you want to delete all autobackups? (y/n): " shouldDeleteAB
	if [[ $shouldDeleteAB = "y" ]]
	then
		echo "Deleting all autobackups..."
		rm -r $flasbackDir/Backups/AutoBackup*		#Delete all folders that start with AutoBackup
	else
		echo "Not deleting autobackups!"
	fi
	pause
}

five(){
	echo "Available Backups:"
	echo " "
	ls $flasbackDir/Backups/		#Lists all backups
	echo " "
	read -p "Choose a Backup: " packageBackup		#User selects backup to package, hopefully
	
	echo "Creating working directory..."
	mkdir $flasbackDir/working
	workingDir=$flasbackDir/working/$packageBackup
	echo "Creating debian layout..."
	mkdir $workingDir
	mkdir $workingDir/DEBIAN/
	mkdir $workingDir/Library/
	mkdir $workingDir/Library/FlashBack/
	mkdir $workingDir/Library/FlashBack/Backups/
	mkdir $workingDir/Library/FlashBack/Backups/$packageBackup

	echo "Copying backup to debian format..."
	cp $flasbackDir"/Backups/"$packageBackup/control $workingDir/DEBIAN/
	excludeControl="!(control*)"
	cp -r $flasbackDir"/Backups/"$packageBackup/$excludeControl $workingDir/Library/FlashBack/Backups/$packageBackup/
	
	echo "Packaging DEB..."
	dpkg-deb -Zgzip -b $workingDir
	echo "Moving DEB..."
	cp $workingDir.deb $flasbackDir
	echo "Cleaning working directory..."
	rm -r -f $flasbackDir/working
	echo " "
	echo "The DEB can be found in "$flasbackDir"/"$packageBackup".deb"

	pause
}

show_menus() {
	clear
	echo "~~~~~~~~~~~~~~~~~~~~~"	
	echo "	FlashBack "
	echo " This software is in"
	echo " BETA. Use it at your"
	echo "     own risk!" 
	echo "~~~~~~~~~~~~~~~~~~~~~"
	echo "1. Backup Current Preferences"
	echo "2. Restore Backup"
	echo "3. Delete Backups"
	echo "4. Delete AutoBackups"
	echo "5. Package Backup to DEB"
	echo "6. Quit"
}

read_options(){
	local choice
	read -p "Enter choice [ 1 - 6] " choice
	case $choice in
		1) one ;;
		2) two ;;
		3) three ;;
		4) four ;;		
		5) five;;
		6) exit 0;;
		*) echo "Invalid Selection!" && sleep 2
	esac
}

while true
do
 	shopt -s extglob
	show_menus
	echo " "
	read_options
done